-aDisplays only summary information of the Gfarm file system.
-hDisplays numbers in human readable format by adding a prefix multiplier symbol like "M" (mega). Since this option uses powers of 1024, "M" means 1,048,576.
-HDisplays numbers in human readable format by adding a prefix multiplier symbol like "M" (mega). Since this option uses powers of 1000, "M" means 1,000,000.
-nDisplays hostnames of available Gfarm file system nodes.
-rSort output in the reverse order.
-SSort output in the increasing order of the available disk capacity.
-P pathSpecifies a path name to specify a metadata server instead of the root metadata server. Note that this option is not effective with the -a option.
-D domainnameSpecifies a domain name of filesystem nodes to list the status of disk free space.
-?Displays a list of command options.